STAG2 p.Val877=
c.2631G>A · rs768268896 · VCV1910816
Benign
Single submitter
Classification
Benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0949%, sas)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP 6.4 | GERP 1.3, phastCons 1 |
| Overall | ||
| CADD | 11.55 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0949%
South Asian · 52/54,772 alleles
Filtering AF
0.0743%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.067%
Overall
0.00433%
52/1,200,887 alleles · ultra-rare
exomes 49/1,088,841 · genomes 3/112,046 · joint denominator
Rarity supports pathogenicity (ACMG PM2); frequency above a disease-specific BA1/BS1 threshold argues against it. A variant frequent in one ancestry group can be near-absent in others, so a single global figure can mislead.
Variant & gene context
- Gene
- STAG2
- Protein
- p.Val877=
- Coding
- c.2631G>A
- MANE Select
- NM_001042750
- dbSNP
- rs768268896
- Type
- single nucleotide variant
- Location
- chrX:124076429 (GRCh38)
- Structure
- AlphaFold pLDDT 80.07 · 10 PDB
- Residue 877
- a UniProt-annotated variant site (in hpe13 and mkms; patient cells show decreased protein abundance; increased sister chromatid cohesion); a UniProt-annotated variant site (in mkms); a UniProt-annotated variant site (in hpe13)
Similar variants
- STAG2 p.Arg1012Ter Pathogenic ★★ same type
- STAG2 p.Arg1033Ter Pathogenic ★★ same type
- STAG2 c.1018-3T>A Uncertain significance ★★ same type
- STAG2 c.2924+3A>G Uncertain significance ★★ same type
- STAG2 c.2924+5T>A Uncertain significance ★★ same type
- STAG2 c.3784-3T>C Uncertain significance ★★ same type
- STAG2 p.Ala428Gly Uncertain significance ★★ ⚠ same type
- STAG2 p.Ala532Val Uncertain significance ★★ ⚠ same type
Built on 18 open, versioned datasets — ClinVar, gnomAD, AlphaMissense, REVEL, ClinGen & more — plus Sugi Variant's own cross-source analysis. Source data 2026-01–2026-10, ClinVar 2026-10. Full sources & versions →
Cite Sugi Variant
Gür T. Sugi Variant: A Deterministic Per-Variant Germline Reference from a Knowledge Graph for Humans and AI Agents. 2026. doi:10.5281/zenodo.21509445. This variant: https://sugi.bio/variant/stag2-p-val877 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown